Information and Cut-off Rates for Multiple-pulse Position Modulation on Multi-path Channels

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The effect is examined of multipath dispersion on the information and cut-off rates of multiple-pulse position modulation. Over multipath channels, intersymbol interference (TSI) can reduce the information rate significantly. When the input codewords are independent and identically distributed with a uniform distribution, lower and upper bounds are presented for the information rate on a moderate ISI channel in terms of the average mutual information of a memoryless Gaussian vector channel with scaled input codewords. The cut-off rate of each modulation scheme is also examined in the presence of ISI, and the power required to achieve the cut-off rate is calculated for various bit rates over the channel 3 dB bandwidth.
Publisher
IEE-INST ELEC ENG
Issue Date
2000-08
Language
English
Article Type
Article
Citation

IEE PROCEEDINGS-OPTOELECTRONICS, v.147, no.4, pp.229 - 233

ISSN
1350-2433
DOI
10.1049/ip-opt:20000494
URI
http://hdl.handle.net/10203/76447
Appears in Collection
EE-Journal Papers(저널논문)
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